Sancha married Ferdinand I "El Magno" Sánchez Rey de Castile y León, son of Sancho "el Mayor" García Rey de Pamplona y conde de Aragón and Muñia Sánchez Princessa de Castilla. (Ferdinand I "El Magno" Sánchez Rey de Castile y León was born in 1016-1018, died on 27 Dec 1065 in León, Castilla, Iberia and was buried in St. Isidoro, León, España.)